Lumbar Facet Cyst as a Rare Cause of L5 Radiculopathy: A Case Report

Lumbar facet cysts arise from zygapophyseal joints and are commonly associated with spondylosis. They are a rare cause of symptomatic nerve root compression. We are presenting a rare case of L4/5 lumbar facet cyst compressing the nerve root in a patient presenting with L5 radiculopathy. The clinical picture of a facet cyst in this case is similar to intervertebral disc disease.